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Alika [10]
3 years ago
10

Two dice are rolled

Mathematics
1 answer:
xeze [42]3 years ago
7 0

Answer:

Here is ur answer!!!! have a nice day ahead...

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Jennifer Drive 265 miles in five hours what is her average rate of speed and miles per hour
iris [78.8K]

Answer:

53mph

Step-by-step explanation:

Divide 265 by 5, there is your answer.

3 0
3 years ago
Read 2 more answers
There are 400 students in a school. Fifty five percent are girls. How many boys are there?
ki77a [65]
1) 55% is girls, then 
100-55=45% is boys.

2) 45%=0.45                                     or  2) 400 ----100%
3)400*0.45= 180 boys                                 x -----45%      x=400*45/100=180 boys

Answer is 180 boys.
5 0
3 years ago
Please help i need it !!!
Sedbober [7]

Answer:

x=7

Step-by-step explanation:

3 0
3 years ago
In the pulley system shown in this figure, MQ = 30 mm, NP = 10 mm, and QP = 21 mm. Find MN.
ankoles [38]
<h2>Answer:</h2>

\boxed{\overline{MN}=37.96}

<h2>Step-by-step explanation:</h2>

For a better understanding of this problem, see the figure below. Our goal is to find \overline{MN}. Since:

\angle MRS=\angle MQP=90^{\circ} \\ \\ \overline{MQ}=\overline{MR}=30mm

and \overline{MN} is a common side both for ΔMRN and ΔMQN, then by SAS postulate, these two triangles are congruent and:

\overline{RN}=\overline{QN}

By Pythagorean theorem, for triangle NQP:

\overline{QN}=\sqrt{\overline{NP}^2+\overline{QP}^2} \\ \\ \overline{QN}=\sqrt{10^2+21^2} \\ \\ \overline{QN}=\sqrt{541}

Applying Pythagorean theorem again, but for triangle MQN:

\overline{MN}=\sqrt{\overline{MQ}^2+\overline{QN}^2} \\ \\ \overline{MN}=\sqrt{30^2+(\sqrt{541})^2} \\ \\ \boxed{\overline{MN}=37.96}

3 0
3 years ago
After one day, 1000 copies of a CD are sold. Each of the following days, 100 more copies are sold,
lawyer [7]

Answer:

Equation:

y - 1000 = 100(x - 1)

2900 CDs will be sold after 20 days.

Step-by-step explanation:

See image.

6 0
2 years ago
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